CN203044911U - High-speed electric main shaft device - Google Patents

High-speed electric main shaft device Download PDF

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Publication number
CN203044911U
CN203044911U CN201220643257.5U CN201220643257U CN203044911U CN 203044911 U CN203044911 U CN 203044911U CN 201220643257 U CN201220643257 U CN 201220643257U CN 203044911 U CN203044911 U CN 203044911U
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China
Prior art keywords
main shaft
electric main
cooling
offer
piston
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Expired - Fee Related
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CN201220643257.5U
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Chinese (zh)
Inventor
游贤衡
张宇
李文俐
董涛
周亮亮
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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Priority to CN201220643257.5U priority Critical patent/CN203044911U/en
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Publication of CN203044911U publication Critical patent/CN203044911U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a high-speed electric main shaft device and belongs to the field of machining. The high-speed electric main shaft device comprises a primary piston, a secondary piston, a pulling rod guide plug, a bearing block component, a hollow shaft, an upper balance disc, an electric main shaft outer shell, a lower balance disc, an electric main shaft inner shell, a pulling rod, a motor, a cylinder base, a secondary piston cylinder body, a primary piston cylinder body, a feedback device, a vibration-measuring sensor, a cooling device, a lubricating device and the like. The high-speed electric main shaft device has the industrial characteristics of effective energy saving property and no pollution in machining, the rotation speed of a rotating shaft can be greatly improved, the service life of the electric main shaft is prolonged, and the device is suitable for popularization and application.

Description

A kind of high-speed electric main shaft device
Technical field
The utility model relates to a kind of high-speed electric main shaft device, is specifically related to a kind of high-speed electric main shaft for mechanical processing machine, belongs to field of machining.
Background technology
The high-speed main spindle unit mainly contains high-speed electric main shaft, pneumatic main shaft and hydrodynamic(al) main shaft, and wherein high-speed electric main shaft is the most common, and the high-speed electric main shaft unit is one of parts the most key in the high-speed processing machine tool.Because high-speed electric main shaft will realize running up, therefore the performance to high-speed electric main shaft has higher requirement, and the parts that directly influence the high-speed electric main shaft performance mainly contain rotating shaft, precision bearing, lubricating system.And in the prior art: the housing of (1) high-speed electric main shaft is mainly used in the rigid bearing assembly, motor section is graded, but the shell as electric main shaft, often can not protect the operate as normal of inner each parts of electric main shaft, not provide the temperature of circulating cooling system main shaft when reducing high-speed rotation; (2) core component of high-speed electric main shaft is high-speed precision bearing, advantage such as bearing must have that high speed performance is good, dynamic load bearing capacity height, greasy property is good, caloric value is little and cost is lower, and these advantages often can not satisfy simultaneously; (3) rotating shaft requires rotating shaft rotating accuracy height in working order down, reducing the vibration that eccentric mass causes, but how to reduce the vibration that eccentric mass causes and the dynamic balancing measurement imperfection in the middle of prior art how countershaft carries out strictness; (4) though adopt the oil-air lubrication high lubricating effect, lubricating oil can not reclaim again, and is comparatively serious to the pollution of air; (5) the cooling system major part is arranged on the electric main shaft housing, the temperature of main shaft in the time of can not effectively reducing high-speed rotation.
The utility model content
The purpose of this utility model provides a kind of simple in structure and have a high-speed electric main shaft device of lubricating system, cooling system, feedback device,, electric main shaft service life short problem seriously polluted in the machining to solve.
The utility model is pressed following technical scheme and realized: a kind of high-speed electric main shaft device comprises chopped-off head piston 1, second piston 2, pull bar guiding plug 3, bearing block assembly 4, hollow shaft 6, goes up balancing frame 7, electric main shaft shell 8, following balancing frame 9, electric main shaft inner casing 10, pull bar 13, motor 14, cylinder block 15, second piston cylinder body 16, chopped-off head piston/cylinder 17, feedback device 41, vibration-measuring sensor 47, cooling device, lubricating arrangement; Chopped-off head piston 1 is installed in the chopped-off head piston/cylinder 17, second piston 2 is installed in the second piston cylinder body 16, chopped-off head piston/cylinder 17 is installed on the second piston cylinder body 16, second piston cylinder body 16 is installed on the cylinder block 15, cylinder block 15 is installed on the bearing block assembly 4, bearing block assembly 4 is installed on the electric main shaft shell 8, electricity main shaft inner casing 10 is installed in the electric main shaft shell 8, hollow shaft 6 is installed in the electric main shaft inner casing 10, last balancing frame 7, motor 14, following balancing frame 9 is installed in the top of electric main shaft inner casing 10 respectively by hollow shaft 6, the middle part, the bottom, motor 14 is used for driving hollow shaft 6, pull bar guiding plug 3 is installed on the bearing block assembly 4, to prevent that the cooling fluid that flows out in the hollow shaft 6 from spreading, pull bar 13 is installed in the hollow shaft 6, be installed on upper bearing (metal) assembly 5 in the bearing block assembly 4, electricity main shaft shell is installed on lower bearing component 11 in 8 bottoms, upper bearing (metal) assembly 5, lower bearing component 11 is installed in the top and the bottom of hollow shaft 6 respectively, be used for supporting hollow shaft 6, feedback device 41 is installed in the end of hollow shaft 6, vibration-measuring sensor 47 is installed on the balancing frame 7, cooling device is by pipeline and motor 14, hollow shaft 6, pull bar 13 and metal (upper assembly 5,11 connect, and lubricating arrangement is by pipeline and upper bearing (metal) assembly 5, lower bearing component 11 connects.
Offer blind hole 18 in the described chopped-off head piston 1, offer through hole 19 in the second piston 2, blind hole 18 is corresponding with through hole 19 positions, offer air inlet/outlet 35 on the second piston cylinder body 16, so that second piston 2 can be air-breathing by air inlet/outlet 35 when motion in cylinder body, exhaust, be provided with cooling jacket I 23 between hollow shaft 6 and the pull bar 13, cooling fluid flows in cooling jacket I 23, namely realize the inside cooling to motor 14, also realize the cooling to bearing inside, be provided with cooling liquid outlet II 24 between pull bar 13 bottoms and hollow shaft 6 bottoms, to be communicated with the cooling jacket I 23 on both sides, offer cooling fluid entrance II 36 on the chopped-off head piston/cylinder 17 of chopped-off head piston 1.
Lower bearing component 11 places are installed on the described electric main shaft shell 8 offer lubricated oil gas vent II 25, lubricated oil gas entrance I 26, lubricating oil air drain I 27, lubricating oil air drain I 27 and lubricated oil gas vent II 25, lubricated oil gas entrance I 26 communicates, so that lower bearing component 11 is lubricated, electricity main shaft shell 8 offers cooling jacket II 30 in that motor 14 places are installed, cooling liquid outlet I 22, cooling fluid entrance I 29, cooling jacket II 30 and cooling liquid outlet I 22, cooling fluid entrance I 29 communicates, so that motor 14 is cooled off, offer lubricated oil gas vent I 20 on the electricity main shaft shell 8 upper bearing holder assemblies 4, lubricated oil gas entrance II 32, lubricating oil air drain II 31, cooling liquid outlet III 33, so that upper bearing (metal) assembly 5 is lubricated, offer through hole 21 in the pull bar 13 in the hollow shaft 6, hollow shaft 6 and upper bearing (metal) assembly 5, lower bearing component 11 junctions offer bearing cooling hole 28 respectively, and the top of hollow shaft 6 offers cooling liquid outlet IV 34, it is corresponding with the position of the cooling liquid outlet III 33 that offers on the bearing block assembly 4.
Be installed on bearing insert 12 respectively in described upper bearing (metal) assembly 5, the lower bearing component 11, offer fuel feed hole III 37, oil outlet III 25 on the bearing outer ring of upper bearing (metal) assembly 5, lower bearing component 11, offer lubricated oil gas entrance IV 38, lubricated oil gas vent IV 40 on the outer ring of bearing insert 12.
Described cooling device comprises cooling pipe 48, hydraulic pump 49, cooling water tank 50; The blind hole 18 that offers in cooling pipe 48 1 ends and the chopped-off head piston 1, the cooling fluid entrance II 36 that offers on the chopped-off head piston/cylinder 17, electricity main shaft shell 8 is being equipped with cooling fluid entrance I 29 connections that motor 14 places offer, the other end is connected with hydraulic pump 49, hydraulic pump 49 is connected with cooling water tank 50 by cooling pipe 48, and cooling pipe 48 also is being equipped with the cooling liquid outlet I 22 that motor 14 places offer with electric main shaft shell 8 respectively, the cooling liquid outlet III 33 that offers on the electricity main shaft shell 8 upper bearing holder assemblies 4, the cooling liquid outlet IV 34 that hollow shaft 6 tops offer connects.
Described lubricating arrangement comprises lubrication piping 42, carburetor 43, petrol pump 44, fuel tank 45, gas liquefaction device 46; The lubricated oil gas entrance I 26 that is equipped with on lubrication piping 42 1 ends and the electric main shaft shell 8, the lubricated oil gas entrance II 32 that offers on the electricity main shaft shell 8 upper bearing holder assemblies 4 connects, the other end is connected with carburetor 43, carburetor 43 is by lubrication piping 42, petrol pump 44 is connected with fuel tank 45, gas liquefaction device 46 1 ends are connected with fuel tank 45 by lubrication piping 42, the lubricated oil gas vent I 20 of the other end by offering on lubrication piping 42 and the electric main shaft shell 8 upper bearing holder assemblies 4, lubricated oil gas vent II 25 connections that lower bearing component 11 places offer are installed on the electricity main shaft shell 8.
The connection of described electric main shaft parts adopts holding screw to connect, and 0 RunddichtringO is adopted in the sealing of the cooling fluid of cooling system and the lubricated oil gas of lubricating system.
A kind of operation principle of high-speed electric main shaft device is:
One, lubricating system and cooling system operation principle: primer fluid press pump 49 and petrol pump 44, be contained in the effect of cooling fluid by hydraulic pump 49 in the cooling water tank 50, in the cooling jacket II 30 of a cooling fluid part by cooling fluid entrance I 29 flow direction motors 14 tops on cooling pipe 48 and the electric main shaft shell 8, realization is to the external cooling of motor 14, and last cooling fluid flows back in the cooling water tank by cooling liquid outlet I 22, cooling pipe 48 on the electric main shaft shell 8; Another part cooling fluid flows into the blind hole 18 at chopped-off head pistons 1 middle part by the cooling fluid entrance II of opening on the cooling pipe 48 above the cylinder block and the chopped-off head cylinder block 36, the through hole 21 at the through hole 19 at second piston 2 middle parts and pull bar 13 middle parts, cooling liquid outlet II 24 backs by pull bar 13 lower ends flow into hollow shaft 6 inner cylinder faces and the formed cooling jacket I 23 of pull bar 13 external cylindrical surfaces then, cooling fluid in the cooling jacket I 23 is by cooling hole 28 and metal (upper assembly 5,11 contacts, so cooling fluid flowing in cooling jacket I 23, both realized the inside cooling to motor 14, also realized the cooling to bearing inside, last cooling fluid flows back in the cooling water tank 50 by the cooling liquid outlet IV 34 on hollow shaft 6 and the bearing block assembly 4 and III 33; Lubricating oil is contained in the fuel tank 45, effect by petrol pump 44 makes lubricating oil flow to carburetor 43, carburetor 43 makes lubricating oil become oil gas, the lubricated oil gas that flows out from carburetor 43 flows to left the lubricating oil air drain I 27 of electric main shaft shell 8 inside by lubricant passage way 42 parts of electric main shaft shell 8 tops, another part flows into to the right in the middle of the lubricating oil air drain II 31 in the bearing block assembly, oil gas in two lubricating oil air drains is lubricated by the fuel feed hole IV 38 on bearing insert 12 outer rings and 37 pairs of ceramic balls bearings of the fuel feed hole III on the bearing outer ring respectively, the remaining oil gas in lubricated back passes through the pipeline inflow gas liquefier 46 of electric main shaft shell body 8 belows at last, gas liquefaction device 46 will lubricate unnecessary oil gas liquefaction and be lubricating oil, thereby realize the recycling to lubricating oil, reduce air pollution.Because work has realized the heat radiation in advance to electric main shaft in the time of cooling system and lubricating system.
Two, feedback regulation operation principle: starter motor 14, drive hollow shaft 6 fast idles, temperature during 41 pairs of hollow shaft 6 duties of feedback device, vibration etc. are fed back, and can effectively control chilling temperature and degree of lubrication by the flow of control hydraulic pump 49 and petrol pump 44; Vibration-measuring sensor 47 is installed on the balancing frame 7, real-time and effective measures hollow shaft 6 because the vibration that eccentric mass causes, when hollow shaft 7 when requiring of machining accuracy do not satisfied in the off-centre vibration in when idle running, can the active position on last balancing frame 7 or time balancing frame 9 add bonding and reduce the vibration that eccentric mass causes.
Three, electric main shaft operation principle: after feedback regulation finished, starter motor 14 rotated the hollow shaft 6 of electric main shaft, thus electric main shaft start working, regulate the rotating speed of electric main shaft by control motor 14.According to the power of the rotational speed regulation hydraulic pump 49 of hollow shaft 6, thereby the flow of control cooling fluid is realized the adjusting to temperature under the different operating modes of electric main shaft; Control lubricated oil gas lubricating bearing by the power of control petrol pump 44.
Four, the electric main shaft principle that quits work: disable motor 14, hydraulic cylinder is started working, promote second piston 2 motions by chopped-off head piston 1, motion pushing drawing rod 13 by second piston 2 moves again, can unload device on the electric main shaft automatically by the motion of pull bar 13, resetting of pull bar 13 realized by the butterfly spring of pull bar bottom; At last, close hydraulic pump 49 and petrol pump 44 simultaneously, cooling and lubricating system are quit work.
The utlity model has following beneficial effect:
1, adopt two cooling circuits, the cooling fluid that circulation can be provided makes electric main shaft descend thermal coefficient of expansion to reduce in working order to reduce the temperature of main shaft when the high-speed rotation, the rotating speed when being conducive to increase electric main shaft and working;
2, in lubricating loop, add the gas liquefaction device, can recycle oil gas remaining after the bearing lubrication, can effectively reduce the pollution to air;
3, on the outer ring of bearing and bearing insert outer ring, all opened lubricated oil gas entrance, outlet, bearing lubricated fully, can be conducive to improve rotating shaft rotating speed, reduce the wearing and tearing of bearing;
4, at the two ends, the left and right sides of hollow shaft balancing frame has been installed, and at last balancing frame vibration-measuring sensor has been installed, when rotating shaft is rotated at a high speed, can effectively measure the off-centre vibration of rotating shaft and add the off-centre vibration that bonding reduces rotating shaft at balancing frame by vibration-measuring sensor.
Description of drawings
Fig. 1 is sectional structure schematic diagram of the present utility model;
Fig. 2 is pipeline sectional structure schematic diagram of the present utility model;
Fig. 3 is structural representation of the present utility model;
Fig. 4 is bearing assembly structural representation of the present utility model.
Each label is among the figure: 1: chopped-off head piston, 2: second piston, 3: pull bar guiding plug, 4: bearing block assembly, 5: upper bearing (metal) assembly, 6: hollow shaft, 7: go up balancing frame, 8: electric main shaft shell, 9: following balancing frame, 10: electric main shaft inner casing, 11: lower bearing component, 12: bearing insert, 13: pull bar, 14: motor, 15: cylinder block, 16: second piston cylinder body, 17: chopped-off head piston/cylinder; 18: blind hole, 19: the second piston through hole, 20: lubricated oil gas vent I, 21: the pull bar through hole, 22: the cooling liquid outlet I, 23: the cooling jacket I, 24: the cooling liquid outlet II, 25: lubricated oil gas vent II, 26: lubricated oil gas entrance I, 27: lubricating oil air drain I, 28: bearing cooling hole, 29: cooling fluid entrance I, 30: the cooling jacket II, 31: lubricating oil air drain II, 32: lubricated oil gas entrance II, 33: the cooling liquid outlet III, 34: the cooling liquid outlet IV, 35: the cylinder port, 36: cooling fluid entrance II, 37: lubricated oil gas entrance III, 38: lubricated oil gas entrance IV, 25: lubricated oil gas vent III, 40: lubricated oil gas vent IV, 41: feedback device, 42: lubrication piping, 43: carburetor, 44: petrol pump, 45: fuel tank, 46: the gas liquefaction device, 47: vibration-measuring sensor, 48: cooling pipe, 49: hydraulic pump, 50: cooling water tank.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, but content of the present utility model is not limited to described scope.
Embodiment 1: shown in Fig. 1-4, and a kind of high-speed electric main shaft device: comprise chopped-off head piston 1, second piston 2, pull bar guiding plug 3, bearing block assembly 4, hollow shaft 6, go up balancing frame 7, electric main shaft shell 8, following balancing frame 9, electric main shaft inner casing 10, pull bar 13, motor 14, cylinder block 15, second piston cylinder body 16, chopped-off head piston/cylinder 17, feedback device 41, vibration-measuring sensor 47, cooling device, lubricating arrangement; Chopped-off head piston 1 is installed in the chopped-off head piston/cylinder 17, second piston 2 is installed in the second piston cylinder body 16, chopped-off head piston/cylinder 17 is installed on the second piston cylinder body 16, second piston cylinder body 16 is installed on the cylinder block 15, cylinder block 15 is installed on the bearing block assembly 4, bearing block assembly 4 is installed on the electric main shaft shell 8, electricity main shaft inner casing 10 is installed in the electric main shaft shell 8, hollow shaft 6 is installed in the electric main shaft inner casing 10, last balancing frame 7, motor 14, following balancing frame 9 is installed in the top of electric main shaft inner casing 10 respectively by hollow shaft 6, the middle part, the bottom, pull bar guiding plug 3 is installed on the bearing block assembly 4, pull bar 13 is installed in the hollow shaft 6, be installed on upper bearing (metal) assembly 5 in the bearing block assembly 4, electricity main shaft shell is installed on lower bearing component 11 in 8 bottoms, upper bearing (metal) assembly 5, lower bearing component 11 is installed in the top and the bottom of hollow shaft 6 respectively, feedback device 41 is installed in the end of hollow shaft 6, vibration-measuring sensor 47 is installed on the balancing frame 7, cooling device is by pipeline and motor 14, hollow shaft 6, pull bar 13 and metal (upper assembly 5,11 connect, and lubricating arrangement is by pipeline and upper bearing (metal) assembly 5, lower bearing component 11 connects.
Offer blind hole 18 in the chopped-off head piston 1, offer through hole 19 in the second piston 2, blind hole 18 is corresponding with through hole 19 positions, offer air inlet/outlet 35 on the second piston cylinder body 16, be provided with cooling jacket I 23 between hollow shaft 6 and the pull bar 13, be provided with cooling liquid outlet II 24 between pull bar 13 bottoms and hollow shaft 6 bottoms, offer cooling fluid entrance II 36 on the chopped-off head piston/cylinder 17 of chopped-off head piston 1.
On the electricity main shaft shell 8 lower bearing component 11 places are installed and offer lubricated oil gas vent II 25, lubricated oil gas entrance I 26, lubricating oil air drain I 27, electricity main shaft shell 8 offers cooling jacket II 30 in that motor 14 places are installed, cooling liquid outlet I 22, cooling fluid entrance I 29, offer lubricated oil gas vent I 20 on the electricity main shaft shell 8 upper bearing holder assemblies 4, lubricated oil gas entrance II 32, lubricating oil air drain II 31, cooling liquid outlet III 33, offer through hole 21 in the pull bar 13 in the hollow shaft 6, hollow shaft 6 and upper bearing (metal) assembly 5, lower bearing component 11 junctions offer bearing cooling hole 28 respectively, and the top of hollow shaft 6 offers cooling liquid outlet IV 34, it is corresponding with the position of the cooling liquid outlet III 33 that offers on the bearing block assembly 4.
Be installed on bearing insert 12 respectively in upper bearing (metal) assembly 5, the lower bearing component 11, offer fuel feed hole III 37, oil outlet III 25 on the bearing outer ring of upper bearing (metal) assembly 5, lower bearing component 11, offer lubricated oil gas entrance IV 38, lubricated oil gas vent IV 40 on the outer ring of bearing insert 12.
Cooling device comprises cooling pipe 48, hydraulic pump 49, cooling water tank 50; The blind hole 18 that offers in cooling pipe 48 1 ends and the chopped-off head piston 1, the cooling fluid entrance II 36 that offers on the chopped-off head piston/cylinder 17, electricity main shaft shell 8 is being equipped with cooling fluid entrance I 29 connections that motor 14 places offer, the other end is connected with hydraulic pump 49, hydraulic pump 49 is connected with cooling water tank 50 by cooling pipe 48, and cooling pipe 48 also is being equipped with the cooling liquid outlet I 22 that motor 14 places offer with electric main shaft shell 8 respectively, the cooling liquid outlet III 33 that offers on the electricity main shaft shell 8 upper bearing holder assemblies 4, the cooling liquid outlet IV 34 that hollow shaft 6 tops offer connects.
Lubricating arrangement comprises lubrication piping 42, carburetor 43, petrol pump 44, fuel tank 45, gas liquefaction device 46; The lubricated oil gas entrance I 26 that is equipped with on lubrication piping 42 1 ends and the electric main shaft shell 8, the lubricated oil gas entrance II 32 that offers on the electricity main shaft shell 8 upper bearing holder assemblies 4 connects, the other end is connected with carburetor 43, carburetor 43 is by lubrication piping 42, petrol pump 44 is connected with fuel tank 45, gas liquefaction device 46 1 ends are connected with fuel tank 45 by lubrication piping 42, the lubricated oil gas vent I 20 of the other end by offering on lubrication piping 42 and the electric main shaft shell 8 upper bearing holder assemblies 4, lubricated oil gas vent II 25 connections that lower bearing component 11 places offer are installed on the electricity main shaft shell 8.
The connection of electricity main shaft parts adopts holding screw to connect, and 0 RunddichtringO is adopted in the sealing of the cooling fluid of cooling system and the lubricated oil gas of lubricating system.

Claims (6)

1. a high-speed electric main shaft device is characterized in that: comprise chopped-off head piston (1), second piston (2), pull bar guiding plug (3), bearing block assembly (4), hollow shaft (6), go up balancing frame (7), electric main shaft shell (8), following balancing frame (9), electric main shaft inner casing (10), pull bar (13), motor (14), cylinder block (15), second piston cylinder body (16), chopped-off head piston/cylinder (17), feedback device (41), vibration-measuring sensor (47), cooling device, lubricating arrangement; Chopped-off head piston (1) is installed in the chopped-off head piston/cylinder (17), second piston (2) is installed in the second piston cylinder body (16), chopped-off head piston/cylinder (17) is installed on the second piston cylinder body (16), second piston cylinder body (16) is installed on the cylinder block (15), cylinder block (15) is installed on the bearing block assembly (4), bearing block assembly (4) is installed on the electric main shaft shell (8), electricity main shaft inner casing (10) is installed in the electric main shaft shell (8), hollow shaft (6) is installed in the electric main shaft inner casing (10), last balancing frame (7), motor (14), following balancing frame (9) is installed in the top of electric main shaft inner casing (10) respectively by hollow shaft (6), the middle part, the bottom, pull bar guiding plug (3) is installed on the bearing block assembly (4), pull bar (13) is installed in the hollow shaft (6), be installed on upper bearing (metal) assembly (5) in the bearing block assembly (4), electricity main shaft shell (8) is installed on lower bearing component (11) in the bottom, upper bearing (metal) assembly (5), lower bearing component (11) be installed in respectively hollow shaft (6) on, the bottom, feedback device (41) is installed in the end of hollow shaft (6), vibration-measuring sensor (47) is installed on the balancing frame (7), cooling device is by pipeline and motor (14), hollow shaft (6), pull bar (13) and upper bearing (metal) assembly (5), lower bearing component (11) connects, and lubricating arrangement is by pipeline and upper bearing (metal) assembly (5), lower bearing component (11) connects.
2. a kind of high-speed electric main shaft device according to claim 1, it is characterized in that: offer blind hole (18) in the described chopped-off head piston (1), offer through hole (19) in the second piston (2), blind hole (18) is corresponding with through hole (19) position, offer air inlet/outlet (35) on the second piston cylinder body (16), be provided with cooling jacket I (23) between hollow shaft (6) and the pull bar (13), be provided with cooling liquid outlet II (24) between pull bar (13) bottom and hollow shaft (6) bottom, offer cooling fluid entrance II (36) on the chopped-off head piston/cylinder (17) of chopped-off head piston (1).
3. a kind of high-speed electric main shaft device according to claim 1, it is characterized in that: lower bearing component (11) is installed on the described electric main shaft shell (8) locates to offer lubricated oil gas vent II (25), lubricated oil gas entrance I (26), lubricating oil air drain I (27), electricity main shaft shell (8) locates to offer cooling jacket II (30) in that motor (14) is installed, cooling liquid outlet I (22), cooling fluid entrance I (29), offer lubricated oil gas vent I (20) on electricity main shaft shell (8) the upper bearing holder assembly (4), lubricated oil gas entrance II (32), lubricating oil air drain II (31), cooling liquid outlet III (33), offer through hole (21) in the pull bar (13) in the hollow shaft (6), hollow shaft (6) and upper bearing (metal) assembly (5), lower bearing component (11) junction offers bearing cooling hole (28) respectively, and the top of hollow shaft (6) offers cooling liquid outlet IV (34), it is corresponding with the position of the cooling liquid outlet III (33) that offers on the bearing block assembly (4).
4. a kind of high-speed electric main shaft device according to claim 1, it is characterized in that: be installed on bearing insert (12) respectively in described upper bearing (metal) assembly (5), the lower bearing component (11), offer fuel feed hole III (37), oil outlet III (25) on the bearing outer ring of upper bearing (metal) assembly (5), lower bearing component (11), offer lubricated oil gas entrance IV (38), lubricated oil gas vent IV (40) on the outer ring of bearing insert (12).
5. a kind of high-speed electric main shaft device according to claim 1, it is characterized in that: described cooling device comprises cooling pipe (48), hydraulic pump (49), cooling water tank (50); The blind hole (18) that offers in cooling pipe (48) one ends and the chopped-off head piston (1), the cooling fluid entrance II (36) that offers on the chopped-off head piston/cylinder (17), electricity main shaft shell (8) is being equipped with cooling fluid entrance I (29) connection that motor (14) is located to offer, the other end is connected with hydraulic pump (49), hydraulic pump (49) is connected with cooling water tank (50) by cooling pipe (48), and cooling pipe (48) also is being equipped with the cooling liquid outlet I (22) that motor (14) is located to offer with electric main shaft shell (8) respectively, the cooling liquid outlet III (33) that offers on electricity main shaft shell (8) the upper bearing holder assembly (4), the cooling liquid outlet IV (34) that hollow shaft (6) top offers connects.
6. a kind of high-speed electric main shaft device according to claim 1, it is characterized in that: described lubricating arrangement comprises lubrication piping (42), carburetor (43), petrol pump (44), fuel tank (45), gas liquefaction device (46); The lubricated oil gas entrance I (26) that is equipped with on lubrication piping (42) one ends and the electric main shaft shell (8), the lubricated oil gas entrance II (32) that offers on electricity main shaft shell (8) the upper bearing holder assembly (4) connects, the other end is connected with carburetor (43), carburetor (43) is by lubrication piping (42), petrol pump (44) is connected with fuel tank (45), gas liquefaction device (46) one ends are connected with fuel tank (45) by lubrication piping (42), the lubricated oil gas vent I (20) of the other end by offering on lubrication piping (42) and electric main shaft shell (8) the upper bearing holder assembly (4), lubricated oil gas vent II (25) connection that lower bearing component (11) is located to offer is installed on the electricity main shaft shell (8).
CN201220643257.5U 2012-11-29 2012-11-29 High-speed electric main shaft device Expired - Fee Related CN203044911U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201220643257.5U CN203044911U (en) 2012-11-29 2012-11-29 High-speed electric main shaft device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201220643257.5U CN203044911U (en) 2012-11-29 2012-11-29 High-speed electric main shaft device

Publications (1)

Publication Number Publication Date
CN203044911U true CN203044911U (en) 2013-07-10

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Application Number Title Priority Date Filing Date
CN201220643257.5U Expired - Fee Related CN203044911U (en) 2012-11-29 2012-11-29 High-speed electric main shaft device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102974845A (en) * 2012-11-29 2013-03-20 昆明理工大学 High-speed electric main shaft device
CN105822629A (en) * 2014-12-19 2016-08-03 罗伯特·博世有限公司 Hydraulic unit and method for operating hydraulic unit
CN106541298A (en) * 2016-12-07 2017-03-29 宁波海天精工股份有限公司 A kind of piston axle construction for being applied to internally cooled-spindle

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102974845A (en) * 2012-11-29 2013-03-20 昆明理工大学 High-speed electric main shaft device
CN105822629A (en) * 2014-12-19 2016-08-03 罗伯特·博世有限公司 Hydraulic unit and method for operating hydraulic unit
CN105822629B (en) * 2014-12-19 2021-05-04 罗伯特·博世有限公司 Hydraulic unit and method for operating a hydraulic unit
CN106541298A (en) * 2016-12-07 2017-03-29 宁波海天精工股份有限公司 A kind of piston axle construction for being applied to internally cooled-spindle
CN106541298B (en) * 2016-12-07 2018-08-28 宁波海天精工股份有限公司 A kind of piston axle construction applied to internally cooled-spindle

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